Home / 239,986.95-359,975.69-71,621.36

Finding the Fourth Proportional to 239,986.95, 359,975.69 and 71,621.36

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Solution

The fourth proportional to 239,986.95, 359,975.69 and 71,621.36 is: 107,430.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,986.95 : 359,975.69 = 71,621.36 : x
  2. Step 2: Convert to fraction form
    239,986.95/359,975.69 = 71,621.36/x
  3. Step 3: Cross multiply
    239,986.95x = 359,975.69 × 71,621.36
  4. Step 4: Simplify right side
    239,986.95x = 25,781,948,484.74
  5. Step 5: Solve for x
    x = 25,781,948,484.74/239,986.95
  6. Step 6: Final answer
    x = 107,430.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.